Inventor · disambiguated record
Daniel C. Briggs
Also filed as: BRIGGS DANIEL C
14 granted patents·2 pending applications·436 citations·filing 1990–2022
94Inventor score
Top patents by PatentIndex Score
16 records- 0197US8435175B2Vaginal speculum apparatusMCMAHON MICHAEL T·Filed 2012·Granted May 7, 2013·65 cites·19 claims
- 0296US9883792B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2016·Granted Feb 6, 2018·42 cites·14 claims
- 0392US9332898B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2014·Granted May 10, 2016·46 cites·30 claims
- 0490US5144190ALight source having desired color temperature and chromaticityWELCH ALLYN INC·Filed 1991·Granted Sep 1, 1992·82 cites·9 claims
- 0587US10376138B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2018·Granted Aug 13, 2019·3 cites·31 claims
- 0685US5144201ALow watt metal halide lampWELCH ALLYN INC·Filed 1990·Granted Sep 1, 1992·53 cites·37 claims
- 0782US5059146AMethod of adjusting a light source for color temperature and chromaticityWELCH ALLYN INC·Filed 1990·Granted Oct 22, 1991·61 cites·13 claims
- 0880US12262878B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2022·Granted Apr 1, 2025·0 cites·20 claims
- 0979US8821395B2Vaginal speculum apparatusMCMAHON MICHAEL T·Filed 2006·Granted Sep 2, 2014·13 cites·65 claims
- 1078US7553020B2Medical diagnostic instrument with variable focus liquid lensWELCH ALLYN INC·Filed 2006·Granted Jun 30, 2009·18 cites·17 claims
- 1178US5138228ABulb geometry for low power metal halide lampWELCH ALLYN INC·Filed 1990·Granted Aug 11, 1992·35 cites·14 claims
- 1269US11291359B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2019·Granted Apr 5, 2022·0 cites·17 claims
- 1364US5117154AMetal halide discharge lamp with improved shank loading factorWELCH ALLYN INC·Filed 1990·Granted May 26, 1992·18 cites·8 claims
- 1463US9949633B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2017·Granted Apr 24, 2018·0 cites·30 claims
- 1544US2006285316A1Hybrid surgical headlight system utilizing dual illumination paths and coaxial opticsWELCH ALLYN INC·Filed 2005·Application pending·0 cites
- 1642US2013063699A1Ocular Error DetectionGOLDFAIN ERVIN·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →